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acoustical tests delta

acoustical tests Lignokustik delta - 0.5mm microperforated acoustic panel

acoustical tests on request available – email This email address is being protected from spambots. You need JavaScript enabled to view it.

no product insulation building height NRC Frequencies (Hz)
100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000
71 delta, 0.5 mm  40mm  59mm 0.90 0.10 0.18 0.31 0.58 0.78 0.95 1.05 1.12 1.10 1.06 1.02 0.93 0.90 0.86 0.84 0.81 0.76 0.71
72 delta, 0.5 mm  - 439mm 0.80 0.51 0.66 0.77 0.81 0.85 0.81 0.73 0.76 0.82 0.81 0.85 0.83 0.85 0.82 0.80 0.79 0.76 0.73
73 delta, 0.5 mm  40mm 159mm 0.95 0.16 0.27 0.40 0.78 0.92 0.99 1.04 1.00 0.96 0.96 0.96 0.95 0.99 0.90 0.89 0.87 0.81 0.71
74 delta, 0.5 mm doors  - 439mm 0.55 0.39 0.56 0.58 0.70 0.60 0.49 0.44 0.54 0.59 0.53 0.60 0.59 0.63 0.66 0.72 0.75 0.86 0.74